Add a test that rustc can compile standard input

wthrowe · wthrowe · commit 8a4bfbb1c60a · 2015-10-01T23:28:01.000-04:00
diff --git a/src/test/run-make/compile-stdin/Makefile b/src/test/run-make/compile-stdin/Makefile
@@ -0,0 +1,5 @@
+-include ../tools.mk
+
+all:
+	echo 'fn main(){}' | $(RUSTC) -
+	$(call RUN,rust_out)
